reflectBetween static method

Vector2 reflectBetween(
  1. Vector2 direction,
  2. Vector2 normal
)

Implementation

static Vector2 reflectBetween(Vector2 direction, Vector2 normal) {
  final d = 2 * dotBetween(direction, normal);
  return Vector2(
    direction.x - d * normal.x,
    direction.y - d * normal.y,
  );
}